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Hydrograph River at a Glance Download
Swan River near Bigfork Stage (ft)Flow (cfs)Highest Observation: 3.08 ft at 11:30AM May 04, 2024Observed: 3.07 ft at 11:45AM May 04, 2024Observed: 3.07 ft at 12:00PM May 04, 2024Observed: 3.07 ft at 12:15PM May 04, 2024Observed: 3.06 ft at 12:30PM May 04, 2024Observed: 3.06 ft at 12:45PM May 04, 2024Observed: 3.06 ft at 1:00PM May 04, 2024Observed: 3.06 ft at 1:15PM May 04, 2024Observed: 3.06 ft at 1:30PM May 04, 2024Observed: 3.06 ft at 1:45PM May 04, 2024Observed: 3.06 ft at 2:00PM May 04, 2024Observed: 3.06 ft at 2:15PM May 04, 2024Observed: 3.06 ft at 2:30PM May 04, 2024Observed: 3.05 ft at 2:45PM May 04, 2024Observed: 3.05 ft at 3:00PM May 04, 2024Observed: 3.05 ft at 3:15PM May 04, 2024Observed: 3.05 ft at 3:30PM May 04, 2024Observed: 3.05 ft at 3:45PM May 04, 2024Observed: 3.05 ft at 4:00PM May 04, 2024Observed: 3.05 ft at 4:15PM May 04, 2024Observed: 3.04 ft at 4:30PM May 04, 2024Observed: 3.04 ft at 4:45PM May 04, 2024Observed: 3.05 ft at 5:00PM May 04, 2024Observed: 3.04 ft at 5:15PM May 04, 2024Observed: 3.04 ft at 5:30PM May 04, 2024Observed: 3.04 ft at 5:45PM May 04, 2024Observed: 3.04 ft at 6:00PM May 04, 2024Observed: 3.04 ft at 6:15PM May 04, 2024Observed: 3.04 ft at 6:30PM May 04, 2024Observed: 3.04 ft at 6:45PM May 04, 2024Observed: 3.05 ft at 7:00PM May 04, 2024Observed: 3.05 ft at 7:15PM May 04, 2024Observed: 3.05 ft at 7:30PM May 04, 2024Observed: 3.04 ft at 7:45PM May 04, 2024Observed: 3.04 ft at 8:00PM May 04, 2024Observed: 3.04 ft at 8:15PM May 04, 2024Observed: 3.04 ft at 8:30PM May 04, 2024Observed: 3.04 ft at 8:45PM May 04, 2024Observed: 3.04 ft at 9:00PM May 04, 2024Observed: 3.04 ft at 9:15PM May 04, 2024Observed: 3.04 ft at 9:30PM May 04, 2024Observed: 3.04 ft at 9:45PM May 04, 2024Observed: 3.03 ft at 10:00PM May 04, 2024Observed: 3.04 ft at 10:15PM May 04, 2024Observed: 3.04 ft at 10:30PM May 04, 2024Observed: 3.04 ft at 10:45PM May 04, 2024Observed: 3.04 ft at 11:00PM May 04, 2024Observed: 3.04 ft at 11:15PM May 04, 2024Observed: 3.04 ft at 11:30PM May 04, 2024Observed: 3.04 ft at 11:45PM May 04, 2024Observed: 3.05 ft at 12:00AM May 05, 2024Observed: 3.04 ft at 12:15AM May 05, 2024Observed: 3.04 ft at 12:30AM May 05, 2024Observed: 3.04 ft at 12:45AM May 05, 2024Observed: 3.03 ft at 1:00AM May 05, 2024Observed: 3.04 ft at 1:15AM May 05, 2024Observed: 3.03 ft at 1:30AM May 05, 2024Observed: 3.04 ft at 1:45AM May 05, 2024Observed: 3.04 ft at 2:00AM May 05, 2024Observed: 3.03 ft at 2:15AM May 05, 2024Observed: 3.04 ft at 2:30AM May 05, 2024Observed: 3.04 ft at 2:45AM May 05, 2024Observed: 3.03 ft at 3:00AM May 05, 2024Observed: 3.04 ft at 3:15AM May 05, 2024Observed: 3.04 ft at 3:30AM May 05, 2024Observed: 3.03 ft at 3:45AM May 05, 2024Observed: 3.03 ft at 4:00AM May 05, 2024Observed: 3.04 ft at 4:15AM May 05, 2024Observed: 3.04 ft at 4:30AM May 05, 2024Observed: 3.03 ft at 4:45AM May 05, 2024Observed: 3.03 ft at 5:00AM May 05, 2024Observed: 3.03 ft at 5:15AM May 05, 2024Observed: 3.02 ft at 5:30AM May 05, 2024Observed: 3.03 ft at 5:45AM May 05, 2024Observed: 3.03 ft at 6:00AM May 05, 2024Observed: 3.02 ft at 6:15AM May 05, 2024Observed: 3.03 ft at 6:30AM May 05, 2024Observed: 3.02 ft at 6:45AM May 05, 2024Observed: 3.02 ft at 7:00AM May 05, 2024Observed: 3.03 ft at 7:15AM May 05, 2024Observed: 3.02 ft at 7:30AM May 05, 2024Observed: 3.01 ft at 7:45AM May 05, 2024Observed: 3.01 ft at 8:00AM May 05, 2024Observed: 3.02 ft at 8:15AM May 05, 2024Observed: 3.01 ft at 8:30AM May 05, 2024Observed: 3.01 ft at 8:45AM May 05, 2024Observed: 3.02 ft at 9:00AM May 05, 2024Observed: 3 ft at 9:15AM May 05, 2024Observed: 3.01 ft at 9:30AM May 05, 2024Observed: 3.02 ft at 9:45AM May 05, 2024Observed: 3 ft at 10:00AM May 05, 2024Observed: 3 ft at 10:15AM May 05, 2024Observed: 3 ft at 10:30AM May 05, 2024Observed: 3 ft at 10:45AM May 05, 2024Observed: 3 ft at 11:00AM May 05, 2024Observed: 3.01 ft at 11:15AM May 05, 2024Observed: 3 ft at 11:30AM May 05, 2024Observed: 3 ft at 11:45AM May 05, 2024Observed: 3 ft at 12:00PM May 05, 2024Observed: 3 ft at 12:15PM May 05, 2024Observed: 2.99 ft at 12:30PM May 05, 2024Observed: 3 ft at 1:00PM May 05, 2024Observed: 2.99 ft at 1:15PM May 05, 2024Observed: 2.99 ft at 1:30PM May 05, 2024Observed: 3 ft at 1:45PM May 05, 2024Observed: 3 ft at 2:00PM May 05, 2024Observed: 2.99 ft at 2:15PM May 05, 2024Observed: 3 ft at 2:30PM May 05, 2024Observed: 3 ft at 2:45PM May 05, 2024Observed: 2.99 ft at 3:00PM May 05, 2024Observed: 3 ft at 3:15PM May 05, 2024Observed: 3 ft at 3:30PM May 05, 2024Observed: 2.99 ft at 3:45PM May 05, 2024Observed: 3 ft at 4:00PM May 05, 2024Observed: 3 ft at 4:15PM May 05, 2024Observed: 2.99 ft at 4:30PM May 05, 2024Observed: 3 ft at 4:45PM May 05, 2024Observed: 3 ft at 5:00PM May 05, 2024Observed: 3 ft at 5:15PM May 05, 2024Observed: 3 ft at 5:30PM May 05, 2024Observed: 3 ft at 5:45PM May 05, 2024Observed: 3 ft at 6:00PM May 05, 2024Observed: 2.99 ft at 6:15PM May 05, 2024Observed: 3 ft at 6:30PM May 05, 2024Observed: 2.99 ft at 6:45PM May 05, 2024Observed: 2.99 ft at 7:00PM May 05, 2024Observed: 3 ft at 7:15PM May 05, 2024Observed: 3 ft at 7:30PM May 05, 2024Observed: 2.99 ft at 7:45PM May 05, 2024Observed: 3 ft at 8:00PM May 05, 2024Observed: 3 ft at 8:15PM May 05, 2024Observed: 3 ft at 8:30PM May 05, 2024Observed: 3 ft at 8:45PM May 05, 2024Observed: 3.01 ft at 9:00PM May 05, 2024Observed: 3 ft at 9:15PM May 05, 2024Observed: 3.01 ft at 9:30PM May 05, 2024Observed: 3.02 ft at 9:45PM May 05, 2024Observed: 3.01 ft at 10:00PM May 05, 2024Observed: 3.01 ft at 10:15PM May 05, 2024Observed: 3.02 ft at 10:30PM May 05, 2024Observed: 3.02 ft at 10:45PM May 05, 2024Observed: 3 ft at 11:00PM May 05, 2024Observed: 3.01 ft at 11:15PM May 05, 2024Observed: 3.01 ft at 11:30PM May 05, 2024Observed: 3 ft at 11:45PM May 05, 2024Observed: 3.01 ft at 12:00AM May 06, 2024Observed: 3.02 ft at 12:15AM May 06, 2024Observed: 3 ft at 12:30AM May 06, 2024Observed: 3.01 ft at 12:45AM May 06, 2024Observed: 3.02 ft at 1:00AM May 06, 2024Observed: 3.01 ft at 1:15AM May 06, 2024Observed: 3.01 ft at 1:30AM May 06, 2024Observed: 3.02 ft at 1:45AM May 06, 2024Observed: 3.02 ft at 2:00AM May 06, 2024Observed: 3.02 ft at 2:15AM May 06, 2024Observed: 3.02 ft at 2:30AM May 06, 2024Observed: 3.02 ft at 2:45AM May 06, 2024Observed: 3.02 ft at 3:00AM May 06, 2024Observed: 3.02 ft at 3:15AM May 06, 2024Observed: 3.02 ft at 3:30AM May 06, 2024Observed: 3.02 ft at 3:45AM May 06, 2024Observed: 3.02 ft at 4:00AM May 06, 2024Observed: 3.02 ft at 4:15AM May 06, 2024Observed: 3.02 ft at 4:30AM May 06, 2024Observed: 3.02 ft at 4:45AM May 06, 2024Observed: 3.02 ft at 5:00AM May 06, 2024Observed: 3.02 ft at 5:15AM May 06, 2024Observed: 3.02 ft at 5:30AM May 06, 2024Observed: 3.01 ft at 5:45AM May 06, 2024Observed: 3.02 ft at 6:00AM May 06, 2024Observed: 3.02 ft at 6:15AM May 06, 2024Observed: 3.02 ft at 6:30AM May 06, 2024Observed: 3.02 ft at 6:45AM May 06, 2024Observed: 3.02 ft at 7:00AM May 06, 2024Observed: 3.02 ft at 7:15AM May 06, 2024Observed: 3.02 ft at 7:30AM May 06, 2024Observed: 3.02 ft at 7:45AM May 06, 2024Observed: 3.02 ft at 8:00AM May 06, 2024Observed: 3.02 ft at 8:15AM May 06, 2024Observed: 3.02 ft at 8:30AM May 06, 2024Observed: 3.02 ft at 8:45AM May 06, 2024Observed: 3.02 ft at 9:00AM May 06, 2024Observed: 3.02 ft at 9:15AM May 06, 2024Observed: 3.02 ft at 9:30AM May 06, 2024Observed: 3.02 ft at 9:45AM May 06, 2024Observed: 3.02 ft at 10:00AM May 06, 2024Observed: 3.02 ft at 10:15AM May 06, 2024Observed: 3.02 ft at 10:30AM May 06, 2024Observed: 3.02 ft at 10:45AM May 06, 2024Observed: 3.02 ft at 11:00AM May 06, 2024Observed: 3.02 ft at 11:15AM May 06, 2024Observed: 3.02 ft at 11:30AM May 06, 2024Observed: 3.03 ft at 11:45AM May 06, 2024Observed: 3.02 ft at 12:00PM May 06, 2024Observed: 3.03 ft at 12:15PM May 06, 2024Observed: 3.04 ft at 12:30PM May 06, 2024Observed: 3.03 ft at 12:45PM May 06, 2024Observed: 3.03 ft at 1:00PM May 06, 2024Observed: 3.04 ft at 1:15PM May 06, 2024Observed: 3.04 ft at 1:30PM May 06, 2024Observed: 3.04 ft at 1:45PM May 06, 2024Observed: 3.05 ft at 2:00PM May 06, 2024Observed: 3.03 ft at 2:15PM May 06, 2024Observed: 3.04 ft at 2:30PM May 06, 2024Observed: 3.04 ft at 2:45PM May 06, 2024Observed: 3.02 ft at 3:00PM May 06, 2024Observed: 3.04 ft at 3:15PM May 06, 2024Observed: 3.04 ft at 3:30PM May 06, 2024Observed: 3.03 ft at 3:45PM May 06, 2024Observed: 3.04 ft at 4:00PM May 06, 2024Observed: 3.05 ft at 4:15PM May 06, 2024Observed: 3.04 ft at 4:30PM May 06, 2024Observed: 3.03 ft at 4:45PM May 06, 2024Observed: 3.05 ft at 5:00PM May 06, 2024Observed: 3.03 ft at 5:15PM May 06, 2024Observed: 3.03 ft at 5:30PM May 06, 2024Observed: 3.04 ft at 5:45PM May 06, 2024Observed: 3.03 ft at 6:00PM May 06, 2024Observed: 3.02 ft at 6:15PM May 06, 2024Observed: 3.04 ft at 6:30PM May 06, 2024Observed: 3.04 ft at 6:45PM May 06, 2024Observed: 3.02 ft at 7:00PM May 06, 2024Observed: 3.03 ft at 7:15PM May 06, 2024Observed: 3.03 ft at 7:30PM May 06, 2024Observed: 3.02 ft at 7:45PM May 06, 2024Observed: 3.03 ft at 8:00PM May 06, 2024Observed: 3.04 ft at 8:15PM May 06, 2024Observed: 3.02 ft at 8:30PM May 06, 2024Observed: 3.03 ft at 8:45PM May 06, 2024Observed: 3.03 ft at 9:00PM May 06, 2024Observed: 3.02 ft at 9:15PM May 06, 2024Observed: 3.02 ft at 9:30PM May 06, 2024Observed: 3.03 ft at 9:45PM May 06, 2024Observed: 3.03 ft at 10:00PM May 06, 2024Observed: 3.03 ft at 10:15PM May 06, 2024Observed: 3.03 ft at 10:30PM May 06, 2024Observed: 3.03 ft at 10:45PM May 06, 2024Observed: 3.03 ft at 11:00PM May 06, 2024Observed: 3.03 ft at 11:15PM May 06, 2024Observed: 3.03 ft at 11:30PM May 06, 2024Observed: 3.03 ft at 11:45PM May 06, 2024Observed: 3.02 ft at 12:00AM May 07, 2024Observed: 3.04 ft at 12:15AM May 07, 2024Observed: 3.03 ft at 12:30AM May 07, 2024Observed: 3.03 ft at 12:45AM May 07, 2024Observed: 3.03 ft at 1:00AM May 07, 2024Observed: 3.04 ft at 1:15AM May 07, 2024Observed: 3.02 ft at 1:30AM May 07, 2024Observed: 3.03 ft at 1:45AM May 07, 2024Observed: 3.04 ft at 2:00AM May 07, 2024Observed: 3.03 ft at 2:15AM May 07, 2024Observed: 3.03 ft at 2:30AM May 07, 2024Observed: 3.04 ft at 2:45AM May 07, 2024Observed: 3.03 ft at 3:00AM May 07, 2024Observed: 3.03 ft at 3:15AM May 07, 2024Observed: 3.04 ft at 3:30AM May 07, 2024Observed: 3.04 ft at 3:45AM May 07, 2024Observed: 3.03 ft at 4:00AM May 07, 2024Observed: 3.04 ft at 4:15AM May 07, 2024Observed: 3.04 ft at 4:30AM May 07, 2024Observed: 3.04 ft at 4:45AM May 07, 2024Observed: 3.04 ft at 5:00AM May 07, 2024Observed: 3.04 ft at 5:15AM May 07, 2024Observed: 3.04 ft at 5:30AM May 07, 2024Observed: 3.04 ft at 5:45AM May 07, 2024Observed: 3.04 ft at 6:00AM May 07, 2024Observed: 3.04 ft at 6:15AM May 07, 2024Observed: 3.04 ft at 6:30AM May 07, 2024Observed: 3.04 ft at 6:45AM May 07, 2024Observed: 3.04 ft at 7:00AM May 07, 2024Observed: 3.04 ft at 7:15AM May 07, 2024Observed: 3.04 ft at 7:30AM May 07, 2024Observed: 3.04 ft at 7:45AM May 07, 2024Observed: 3.04 ft at 8:00AM May 07, 2024Observed: 3.04 ft at 8:15AM May 07, 2024Observed: 3.04 ft at 8:30AM May 07, 2024Observed: 3.03 ft at 8:45AM May 07, 2024Observed: 3.03 ft at 9:00AM May 07, 2024Observed: 3.04 ft at 9:15AM May 07, 2024Observed: 3.04 ft at 9:30AM May 07, 2024Observed: 3.04 ft at 9:45AM May 07, 2024Observed: 3.04 ft at 10:00AM May 07, 2024Forecast: 3.09 ft 12:00PM May 07, 2024Forecast: 3.12 ft 6:00PM May 07, 2024Forecast: 3.17 ft 12:00AM May 08, 2024Forecast: 3.24 ft 6:00AM May 08, 2024Forecast: 3.34 ft 12:00PM May 08, 2024Forecast: 3.44 ft 6:00PM May 08, 2024Forecast: 3.5 ft 12:00AM May 09, 2024Forecast: 3.53 ft 6:00AM May 09, 2024Forecast: 3.55 ft 12:00PM May 09, 2024Forecast: 3.56 ft 6:00PM May 09, 2024Highest Forecast: 3.57 ft 12:00AM May 10, 2024Forecast: 3.55 ft 6:00AM May 10, 2024Forecast: 3.55 ft 12:00PM May 10, 2024Forecast: 3.55 ft 6:00PM May 10, 2024Forecast: 3.56 ft 12:00AM May 11, 2024Forecast: 3.55 ft 6:00AM May 11, 2024Forecast: 3.55 ft 12:00PM May 11, 2024Forecast: 3.55 ft 6:00PM May 11, 2024Forecast: 3.55 ft 12:00AM May 12, 2024Forecast: 3.54 ft 6:00AM May 12, 2024Forecast: 3.53 ft 12:00PM May 12, 2024Forecast: 3.52 ft 6:00PM May 12, 2024Forecast: 3.51 ft 12:00AM May 13, 2024Forecast: 3.51 ft 6:00AM May 13, 2024Forecast: 3.5 ft 12:00PM May 13, 2024Forecast: 3.5 ft 6:00PM May 13, 2024Forecast: 3.5 ft 12:00AM May 14, 2024Forecast: 3.49 ft 6:00AM May 14, 2024USGS--Water Resources of the United StatesSWRM8(plotting HGIRG) Graph Created (11:15AM May 7, 2024)ObservedForecast (issued 9:43AM May 7)Latest observed value: 3.04 ft at 10:00 AM MDT 7-May-2024. Flood Stage is 6.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Swan River near Bigfork are issued routinely year-round.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 8
Moderate Flood Stage: 7.5
Flood Stage: 6.5
Action Stage: 6
Low Stage (in feet): -9999

Historic Crests
(1) 7.34 ft on 06/20/1974
(2) 7.27 ft on 05/18/1997
(3) 7.12 ft on 05/24/1948
(4) 7.00 ft on 06/18/1933
(5) 6.98 ft on 06/10/1964
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 6.61 ft on 06/22/2022
(2) 6.19 ft on 05/27/2021
(3) 6.07 ft on 06/02/2020
(4) 6.27 ft on 05/29/2018
(5) 6.08 ft on 05/15/2013
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
7 Flooding is possible in the Rippling Waters area near Ferndale.
6.6 Flooding affects low lying areas north of Lion Creek Road and adjacent to the river.
6.5 Flooding affects low lying areas adjacent to the river.
About This Location Collapse

Latitude: 48.024444° N, Longitude: 113.978889° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 6.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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Hydrologic Resources Additional Resources
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Missoula Weather Forecast Office
6633 Aviation Way
Missoula, MT 59808
(406) 329-4840
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